I recently installed some Shelly 2.5 devices behind my wall switches to control my roller shutters. At first, everything worked perfectly when wired according to the manual. However, I encountered a unique challenge in one room where I have two separate roller shutters controlled by a single switch. The issue arose when I tried to install the Shelly devices without using Wago connectors due to limited space behind the switch.
Initially, I connected the wires directly to the Shelly’s output ports and the switch port. This setup worked when using the wall switch, but I couldn’t control both shutters remotely. The problem was that the Shelly device couldn’t communicate with the switch to trigger both motors simultaneously.
After some research and experimentation, I discovered a workaround. Instead of relying solely on the Shelly’s built-in functionality, I utilized a simple automation rule in my smart home system. This rule detects when the wall switch is toggled and sends a corresponding command to both Shelly devices, ensuring both shutters operate in unison. This solution eliminated the need for additional wiring or external components, which was a major concern.
This experience taught me the importance of creative problem-solving and leveraging existing smart home integrations. If anyone else is facing similar challenges with limited space or complex wiring setups, I highly recommend exploring automation rules as a flexible and effective solution.